W3C home > Mailing lists > Public > public-credentials@w3.org > March 2016

Re: Drafty VCTF Use Cases

From: Timothy Holborn <timothy.holborn@gmail.com>
Date: Tue, 08 Mar 2016 15:21:49 +0000
Message-ID: <CAM1Sok0bw=wPF4MZgDrY6fSi_b6jqxtBymMN4oekNiKR7o=v8A@mail.gmail.com>
To: Shane McCarron <shane@halindrome.com>
Cc: Credentials Community Group <public-credentials@w3.org>, "public-webpayments-ig@w3.org" <public-webpayments-ig@w3.org>
2:18am so, not the best time...

These were developed mid late year. I can develop more if you like, yet the
purpose of these ingredient lists, if you like, is to show the array of
use-cases and how the combined 'package' of creds, which may have an array
of different views or perspectives from / by different actors, inter-relate
through the use of linked-data, bonding otherwise inter-connected, but not
siloed, groups of instances together as to form a coherent set of effects
otherwise not considered achievable.

Mind, as noted. If we're going to build a global silo, then I think that's
worth noting now.


On Wed, 9 Mar 2016 at 2:16 AM, Shane McCarron <shane@halindrome.com> wrote:

> Thanks for your detailed use cases.  I will review them carefully.  As to
> your comment about credentials not being obvious in the scenarios...  I
> will take a spin through, but I feel like we were very careful to show in
> each scenario where a verifiable claim / credential would be used.
> On Mon, Mar 7, 2016 at 11:20 PM, Timothy Holborn <
> timothy.holborn@gmail.com> wrote:
>> Here's a bunch of old sophisticated use-cases i prepared earlier ;)
>> I haven't noted the use of credentials throughout the user-stories, yet
>> they should be able to be discovered / addressed by the trained eye.
>> ____________________________________________________________________
>> USECASE: Watching a Cooking Show
>> Person searches for the particular meal they want to make that night for
>> a dinner party. They search for ‘slow-cooked lamb shoulder’, and find a
>> jamie oliver episode provided by a commercial FTA provider.
>> They’ve got a list of the food they’ve purchased recently from their
>> digital receipt information. The program has a TVC that outlines the
>> end-product created by the food, and it's decided - time to go shopping.
>> A button is pressed, and the information about ingredients is selected.
>> The application has a field that asks who’s coming for dinner - the user
>> selects the people coming for dinner, and their dietary requirements are
>> checked for allergies and any food preferences (ie: don’t like mushrooms,
>> kosha food only, etc.).
>> The app calculates portion sizes based upon the number of people who will
>> be eating, and the shopping list is almost ready. They’re able to tick off
>> the food that’s already in the kitchen, then add the remaining ingredients.
>> A file is created on the user's data-space that includes information
>> about the application they used to create the meal, and a credential
>> relating to the agent who supplied that application and on behalf of whom.
>> jamie and his distribution partners have a deal with a particular
>> shopping network, so if it’s kosha, that’s ok, but otherwise there’s
>> preferences about where to get it
>> Jamie also has another deal, that’s not as good, with other outlets.
>> ie: The user opens their ‘supermarket app’, and makes the selection. the
>> app also thinks the milk has gone off, and the user can select other things
>> they need which may have been collated over time (ie: toilet paper low, ran
>> out of dish-washing detergent, etc.) They can get the ingredients delivered
>> or go shopping.
>> The recipe is Jamie's Intellectual property. He cares about his food.
>> When the user goes to a store that offer digital receipt functionality to
>> data-spaces, if that purchase relates specifically to the production of the
>> meal, fulfilment of ingredients to make it, the shop has in their system an
>> attribution method that allows a percentage of valid food products to goto
>> jamie.
>> Ingredients have been purchased and the user can watch the TV or flick
>> through the cooking guide whilst preparing the dish. This can happen on
>> their device, on their tv, with both, etc.
>> The ‘interactive content package’ enables this entire experience to be
>> programmed, packaged and distributed globally. differentiators between
>> markets / regions, can be managed by agents, distributors and local
>> partners without needing to change the format of the content package.
>> USE CASE: Buying a Motor Vehicle
>> Joe wants to purchase a new vehicle. He really wants a 2004 XC90,
>> thinking that it suits his needs and represents good value. He wants to
>> watch a review, searches for one - finds an old TVC made in britain, made
>> available locally through the a local program that’s been syndicated by a
>> commercial broadcaster who has purchased the media as part of their
>> on-demand offerings.
>> The presentation page has a presales button, which the user selects on
>> his phone. He can see how many were sold in the market, average cost of
>> insurance, average KM’s, average price based on condition and how many are
>> available for sale. He watches the video and plans to go have a look at a
>> few.
>> He finds a dealer who is offering a vehicle he likes and speaks to their
>> sales agent Frank. Joe asks the Frank to Take the Vehicle for a Test-Drive.
>> Frank would like to know whether Joe has the capacity to purchase the
>> vehicle or whether, Joe's simply interested in going for a test-drive with
>> no-capacity to make a transaction. Frank has a family and it's important he
>> spends his time on sales opportunities. Frank does not have alot of time to
>> waste on 'tyre kickers'.
>> Joe has a look at the information about the car on his phone that his
>> obtained when he found the vehicle.
>> The car has been in the lot for too long, and Frank thinks this is a ‘hot
>> lead’ but wants to qualify the opportunity. He asks to share some more
>> details and if the information provided stacks up, then joe should borrow
>> the car.
>> Joe presses a button on his phone, and Frank gets a 'green light'
>> indicator that shows that joe has a license and has the financial capacity
>> to purchase the car.
>> -- > Whilst it is none of Franks business; Joe has a linked-credential
>> that denotes the intention of his parents to purchase a vehicle for him to
>> a particular value, which in-turn contributed towards getting the 'green
>> light' he needed, before going to find a car he likes.
>> Frank is happy to provide Joe access to the car, to take for a
>> test-drive. Frank and Joe issues credentials for the purpose of the
>> test-drive, that support insuring the Joe in case he has an accident;
>> whilst also supporting Frank, in case Joe doesn't come back with the car.
>> Joe takes the car for a test-drive and notices that there are some
>> mechanical issues with the car. He enters the information in his record
>> that relates to the vehicle, and the application on his phone provides an
>> estimation of the cost to fix the problem in addition to any information
>> about whether by law, Frank needs to fix that problem before he sells it to
>> Joe.
>> Joe Returns. Frank and Joe talk about the price, which results in Frank
>> finishing the sales-opportunity by issuing Joe an Offer that is attached to
>> the record stored in relation to his phone application. Joe informs frank
>> he'll be back, frank limits the offer to a few days hoping to close a deal
>> before the time his commissions need to be finalized for the month; Joe
>> goes to have a look at other vehicles.
>> If the sale goes through, then the lead was generated by the program on
>> TV and the experience provided by that program. It is possible that they’re
>> then able to ‘clip the ticket’, which may result in an improvement around
>> their advertising on TV, a direct cash-payment, or other means.
>> USE CASE: Community Media, Education, and Content Syndication.
>> Within an indigenous ‘outback’ community, the local radio station has
>> set-up their hypermedia capability. Their website offers an array of local
>> media, that is available for syndication with local community TV providers
>> and other news-outlets. Their system works by taking a percentage of the
>> revenue attributed to the content they curate with local community members.
>> They've got a shed they've turned into a historical society, storing
>> valued historical artefacts that are important to their community. People
>> in the community have memories of life, and stories that relate to those
>> artefacts.
>> The radio station provides the opportunity members of the community to
>> produce a content package about the heritage artifacts. They work with
>> elders in the community, producing some video where elders tell their
>> stories with historical context. They create a 3d scan of the object, and
>> also write both some information about it that is collated into their
>> heritage collection, in addition to some articles that are used for their
>> local radio broadcast and their local news website.
>> Some of those materials become syndicated for by other broadcasters
>> nationally.
>> Advertising and syndication revenue provides a percentage of revenue back
>> to the creators of the work, and the local radio station who helped produce
>> it, ensuring it was suitable and accurate.
>> The people who contributed to it, are provided credentialing information
>> that also shows they've learnt the skills involved in undertaking the task.
>> This contributes to their employment and educational / skills records.
>> People involved with running the station and their online environments
>> accumulate information about their activities. This information can be used
>> by local businesses to assess whether they can find the local talent needed
>> to help them with their business. The business wants to produce some
>> advertising materials. They've managed to find the skills locally, and the
>> local radio station is able to syndicate the media for use across the
>> network, helping the business target their advertising and ensure it is
>> ‘ready for TV’...
>> In this use-case, the practice of community media provides both the
>> capacity to identify and process local media, as well as supporting
>> community development and community engagement. NANODEGREES[6]:
>> Nano-degrees are emerging in the marketplace as a means to provide
>> 'qualification' for particular skills that may be constituents of broader
>> formal qualifications. These systems store ‘metadata’ about the user in the
>> users account. As such, these systems in-turn provide the means for users
>> to understand and communicate their skills, talents and interests using
>> data, that improves the means in which they may find employment.
>> Tim.H.
>> On Tue, 8 Mar 2016 at 10:17 Shane McCarron <shane@spec-ops.io> wrote:
>>> I assume there is a VCTF meeting tomorrow.  My action was to update the
>>> use cases document into the new IG VCTF space in preparation for a tight
>>> coupling between it and the draft verifiable claims charter. The charter
>>> has not yet made it into this space - I know that Manu has been moving
>>> house AND been ill, so I imagine he is just a tad behind.  But the draft
>>> use-cases are up at http://w3c.github.io/webpayments-ig/VCTF/use-cases/
>>> Please have a look in anticipation of discussing these tomorrow and over
>>> the coming week.
>>> Caveat: I did this work with little consultation from my fellow
>>> editors.  That's completely my fault, and they all have my permission to
>>> publicly berate me for it.   Or better yet, make edits or submit pull
>>> requests.
>>> P.S. There has been a lot of discussion of additional use cases on the
>>> community group mailing list.  I love those discussions - let's keep them
>>> going!  This document is necessarily limited as the subset that will
>>> support the initial work we want to do as a working group AND designed to
>>> not overwhelm the reader.  So if you don't see your favorite scenario or
>>> requirement, it will be in the supporting "extended use cases" document in
>>> CG space.  If you feel strongly that it should be exposed in this limited
>>> space, or that tweaking one scenario will get it covered now, please let me
>>> know!
>>> --
>>> Shane McCarron
>>> Projects Manager, Spec-Ops
> --
> -Shane
Received on Tuesday, 8 March 2016 15:22:36 UTC

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